MALICIOUS — 4690297_igrat__onlayn__besplatno_.pdf

MALICIOUS — 4690297_igrat__onlayn__besplatno_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (80/100). 2 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: 41bdb2c9b7d8cc70b8bf2780b3bbd80a9d2797c266420ec755c40e0b6985c4b1
• SHA-1: bc954ee3d99c287679e32301f0462cd1f1b5aeac
• MD5: 750d45c59932d3783346a712c6406b01
• ssdeep: 6144:kTBm18MUy1H6+4Oe/5YOLFckwUhqV2kfbwupqIi83T3DtbB1dFI1QhPMt7qx:k1Fw6+VeqOLSUhqUkfJB1B1bI1QCt8
• TLSH: T1114802F1EA019E6DDADD79163D34103E3D47820212F03B2539A759BE22F66B7130A939
• Submitted as: 4690297_igrat__onlayn__besplatno_.pdf
• File type: pdf · Size: 382502 bytes
• Verdict: malicious (80/100)

Detections (2 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

The malicious score of 80/100 is the fusion of 7 weighted signals:

• Embedded link rated malicious by URL analysis: http://img0.liveinternet.ru/images/attach/c/6//4690/4690147_creation__kit__dlya_.pdf - network signal, weight 0.70, confidence 0.80
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%98%D0%B3%D1%80%D0%B0%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B7%D1%83%D0%BC+%D0%B7%D1%83%D0%BC+%D0%BB%D1%8F%D0%B3%D1%83%D1%88%D0%BA%D0%B0+%D0%BD%D0%B0+%D0%B2%D0%B5%D1%81%D1%8C+%D1%8D%D0%BA%D1%80%D0%B0%D0%BD&charset=utf-8, http://img0.liveinternet.ru/images/attach/c/6//4690/4690233_skachat__albom__kaspiyskiy_.pdf, http://img0.liveinternet.ru/images/attach/c/6//4690/4690147_creation__kit__dlya_.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Contacted 15 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9670 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• searchapp.bundleassets.example
• inference.location.live.net
• to-do.office.com
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• outlook.office.com
• outlook.office365.com
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 252.0.0.224.in-addr.arpa
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• ntp.ubuntu.com
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 1c1915ceac3cabf014bcd8ac7eb0f7de87c4afe7dab0db6d33b762522fd5b799
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\a9f99f1f84e1a255e198644ad84ddeaa.png - ff8d9ed7eaec1764d3615bd949e8a3be9b96fe31f24444d835d07d03c02cbbc3
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://botcraftman.ru/?lip&keyword=%D0%98%D0%B3%D1%80%D0%B0%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B7%D1%83%D0%BC+%D0%B7%D1%83%D0%BC+%D0%BB%D1%8F%D0%B3%D1%83%D1%88%D0%BA%D0%B0+%D0%BD%D0%B0+%D0%B2%D0%B5%D1%81%D1%8C+%D1%8D%D0%BA%D1%80%D0%B0%D0%BD&charset=utf-8
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690233_skachat__albom__kaspiyskiy_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690147_creation__kit__dlya_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690169_serzh__goreluyy__predvaritelnuye_.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• botcraftman.ru
• img0.liveinternet.ru

Embedded IP addresses

• 20.165.94.63
• 74.179.77.204
• 52.148.114.188
• 52.168.117.170
• 57.155.104.224
• 92.223.78.30
• 57.155.101.212
• 74.178.76.128
• 74.178.76.44
• 20.112.250.133
• 52.110.12.3
• 4.230.171.124
• 72.145.35.100
• 52.123.129.14
• 162.159.36.2

File paths

• k:\,5

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report